# Statistics

posted by .

I need help on this one too. Any one willing to get me started? THANKS!

Potassium is a mineral that helps the kidneys function normally. It also plays a key role in cardiac, skeletal, and smooth muscle contraction, making it an important nutrient for normal heart, digestive, and muscular function. A test for the level of potassium in the blood is not perfectly precise. Moreover, the actual level of potassium in a person’s blood varies slightly from day to day. Normal levels of potassium range from 3.7 mEq/L to 5.2 mEq/L.

(Note mEq/L represents milliequivalents per liter – which is just a type of concentration measurement.)

a) What does the phrase “statistically significant” mean? Explain.

b) If nine measurements for Jason were taken on different days with levels (mEq/L) given by 3.6, 3.7, 5.1, 5.6, 5.4, 4.7, 4.6, 3.8, and 5.2 respectively what is a 95% confidence level for his mean potassium level?

c) Do you think his potassium levels are normal? Explain.

I was unaware of that. K

## Similar Questions

1. ### Statistics

I need help on this one too. Any one willing to get me started?
2. ### Statistics

I need help on this one too. Any one willing to get me started?
3. ### vet asst.

which of the following is true of a smooth muscle?
4. ### Anatomy & Physiology

A characteristic of smooth muscle, not seen in skeletal or cardiac muscle, is?
5. ### science

this muscle helps to transport blood to and from the heart A. smooth muscle B. cardiac muscle C. skeletal muscle D. involuntary muscle. Is it D
6. ### Health

3. The muscular system allows our bones to: A. Strenthen B. Contract C. Lenghthen D. Move***** 4. This muscle helps to transport blood to and from the heart: A. Smooth Muscle***** B. cardiac Muscle C. Skeletal Muscle D. Invoulntary …
7. ### biology

Which of the following is true of skeletal muscle?
8. ### Physical Education

What type of muscle is only found in one place in the body?